Malware Analysis Report

2025-05-05 21:39

Sample ID 201020-2ebjnz7wds
Target doc_pack-349429591.xls
SHA256 09e7a8fc94ba06cce5515f41462d458749f4c1b9dba52752a407f1d2b5e755fe
Tags
trojan banker stealer qakbot macro
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

09e7a8fc94ba06cce5515f41462d458749f4c1b9dba52752a407f1d2b5e755fe

Threat Level: Known bad

The file doc_pack-349429591.xls was found to be: Known bad.

Malicious Activity Summary

trojan banker stealer qakbot macro

Qakbot/Qbot

Office macro that triggers on suspicious action

Suspicious Office macro

Executes dropped EXE

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 22:22

Signatures

Office macro that triggers on suspicious action

macro
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious Office macro

macro
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-20 22:22

Reported

2020-10-20 22:29

Platform

win7

Max time kernel

93s

Max time network

89s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-349429591.xls

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\COsuv\Wegerb\szvMhegn.exe N/A
N/A N/A C:\COsuv\Wegerb\szvMhegn.exe N/A

Office loads VBA resources, possible macro or embedded object present

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1300 wrote to memory of 1084 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1300 wrote to memory of 1084 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1300 wrote to memory of 1084 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1300 wrote to memory of 1084 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1084 wrote to memory of 1592 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1084 wrote to memory of 1592 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1084 wrote to memory of 1592 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1084 wrote to memory of 1592 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1084 wrote to memory of 1184 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe
PID 1084 wrote to memory of 1184 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe
PID 1084 wrote to memory of 1184 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe
PID 1084 wrote to memory of 1184 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe
PID 1084 wrote to memory of 972 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1084 wrote to memory of 972 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1084 wrote to memory of 972 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1084 wrote to memory of 972 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1184 wrote to memory of 560 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe
PID 1184 wrote to memory of 560 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe
PID 1184 wrote to memory of 560 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe
PID 1184 wrote to memory of 560 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe
PID 1184 wrote to memory of 324 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe C:\Windows\SysWOW64\explorer.exe
PID 1184 wrote to memory of 324 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe C:\Windows\SysWOW64\explorer.exe
PID 1184 wrote to memory of 324 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe C:\Windows\SysWOW64\explorer.exe
PID 1184 wrote to memory of 324 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe C:\Windows\SysWOW64\explorer.exe
PID 1184 wrote to memory of 324 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe C:\Windows\SysWOW64\explorer.exe
PID 1828 wrote to memory of 976 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1828 wrote to memory of 976 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1828 wrote to memory of 976 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1828 wrote to memory of 976 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe

Processes

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-349429591.xls

C:\COsuv\Wegerb\szvMhegn.exe

"C:\COsuv\Wegerb\szvMhegn.exe"

C:\COsuv\Wegerb\szvMhegn.exe

C:\COsuv\Wegerb\szvMhegn.exe /C

C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ccglbqf /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I ccglbqf" /SC ONCE /Z /ST 22:32 /ET 22:44

C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {6466ABFC-91E6-4939-A952-AFE7628C4ED7} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

C:\COsuv\Wegerb\szvMhegn.exe /I ccglbqf

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 blog.vokasidev.com udp
N/A 68.65.123.245:80 blog.vokasidev.com tcp
N/A 8.248.125.254:80 tcp

Files

memory/1380-2-0x000007FEF6880000-0x000007FEF6AFA000-memory.dmp

memory/1084-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1300-5-0x0000000007010000-0x0000000007014000-memory.dmp

memory/1300-6-0x0000000006010000-0x0000000006014000-memory.dmp

memory/1300-7-0x0000000002F80000-0x0000000002F81000-memory.dmp

memory/1300-11-0x0000000004DD0000-0x0000000004DD4000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1592-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1592-15-0x0000000002500000-0x0000000002511000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1184-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/972-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/560-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/560-24-0x00000000023F0000-0x0000000002401000-memory.dmp

memory/1184-25-0x0000000000450000-0x0000000000487000-memory.dmp

memory/324-26-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ouzfrklyzw\johczy.dat

MD5 19fcc3aaba00571af9ce3b3238fe6787
SHA1 40d190fc7996e51bbdafbaba10e236fe169b7e71
SHA256 8b0695b956b3931b48d5e6f387f1027373444b24ee9ac079581da79bbf65a1b7
SHA512 3897d9d9e558932bb5bfc0a171946d1c2bebae7c40c2b456edcfecced40581084ad043adb1fa0d6a8f467857e8eabd6a91abc67c0d43ffff1ace4f4a8cc42086

memory/976-28-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 22:22

Reported

2020-10-20 22:29

Platform

win10v200722

Max time kernel

77s

Max time network

153s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-349429591.xls"

Signatures

Process spawned suspicious child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Windows\system32\dwwin.exe N/A
N/A N/A C:\Windows\system32\dwwin.exe N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-349429591.xls"

C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE

"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4744

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4744

Network

Country Destination Domain Proto
N/A 52.109.8.19:443 nexusrules.officeapps.live.com tcp

Files

memory/3816-0-0x00007FF9A79F0000-0x00007FF9A80B6000-memory.dmp

memory/3816-1-0x00000249EFB60000-0x00000249EFB65000-memory.dmp

memory/3816-2-0x00000249EFB60000-0x00000249EFB65000-memory.dmp

memory/2840-3-0x0000000000000000-mapping.dmp

memory/3084-4-0x0000000000000000-mapping.dmp

memory/3084-5-0x000001F2E09F0000-0x000001F2E09F1000-memory.dmp

memory/3084-6-0x000001F2E09F0000-0x000001F2E09F1000-memory.dmp

memory/3084-8-0x000001F2E1130000-0x000001F2E1131000-memory.dmp

memory/3084-11-0x000001F2E1530000-0x000001F2E1531000-memory.dmp

memory/3084-13-0x000001F2E1530000-0x000001F2E1531000-memory.dmp

memory/3084-15-0x000001F2E1400000-0x000001F2E1401000-memory.dmp

memory/3084-16-0x000001F2E1400000-0x000001F2E1401000-memory.dmp

memory/3084-17-0x000001F2E1400000-0x000001F2E1401000-memory.dmp

memory/3084-18-0x000001F2E1070000-0x000001F2E1071000-memory.dmp